Adding anaerobic digestate to commercial farm fields increases soil organic carbon

Autores
Villarino, Sebastián Horacio; McDaniel, M.D.; Blauwet, M.J.; Sievers, B.; Sievers, L.; Schulte, L. A.; Miguez, F. E.
Año de publicación
2025
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Integrating anaerobic digestion technology canhelp farms meet agronomic, environmental, and economic goals. The slurryby-product from anaerobic digestion – anaerobic digestate – can be applied to croplands as an organicamendment and fertilizer. However, digestate effects on soil organic carbon(SOC) and soil fertility are poorly understood, especially at the field scale.In this study, we analyzed data from a multi-fieldcommercial farm in Iowa, USA, which integrates agricultural production withanaerobic digestion. The digestate produced in this system was applied to14 crop fields over 5-12 years. To assess the digestate effects on SOC stocksand soil plant-available nutrients, we analyzed the digestate chemicalcomposition, digestate rates, and soil test results of 421 samples taken at0-15 cm soil depth. Most sampled points (86%) increasedSOC stock, with greater gains observed in soilswith lower initial SOC levels. The average SOC accrual rate was 0.8 Mg ha-1y-1 (confidence interval: 0.7-0.9 Mg ha-1 yr-1),and isotope analysis (13C and 15N)indicated that new soil organic matter is primarily derived from digestate. Assumingsimplified SOC dynamics, the SOC formation efficiencyfrom digestate was estimated at 18% (higher than the estimate for raw manure).Anaerobic digestate also increased soil test phosphorus (STP) and potassium,with STP values doubling over eight years, exceeding crop requirements.Integrating anaerobic digestion on farms can help reverse soil degradation andenhance agricultural sustainability, although STP should be monitored toprevent potential adverse environmental impacts.
Fil: Villarino, Sebastián Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias. Laboratorio de Agroecología; Argentina
Fil: McDaniel, M.D.. University of Iowa; Estados Unidos
Fil: Blauwet, M.J.. University of Iowa; Estados Unidos
Fil: Sievers, B.. No especifíca;
Fil: Sievers, L.. No especifíca;
Fil: Schulte, L. A.. University of Iowa; Estados Unidos
Fil: Miguez, F. E.. University of Iowa; Estados Unidos
Materia
Anaerobic digestion
Corn Belt
Cattle
Biogas
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/274403
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/274403
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repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Adding anaerobic digestate to commercial farm fields increases soil organic carbonVillarino, Sebastián HoracioMcDaniel, M.D.Blauwet, M.J.Sievers, B.Sievers, L.Schulte, L. A.Miguez, F. E.Anaerobic digestionCorn BeltCattleBiogashttps://purl.org/becyt/ford/4.1https://purl.org/becyt/ford/4Integrating anaerobic digestion technology canhelp farms meet agronomic, environmental, and economic goals. The slurryby-product from anaerobic digestion – anaerobic digestate – can be applied to croplands as an organicamendment and fertilizer. However, digestate effects on soil organic carbon(SOC) and soil fertility are poorly understood, especially at the field scale.In this study, we analyzed data from a multi-fieldcommercial farm in Iowa, USA, which integrates agricultural production withanaerobic digestion. The digestate produced in this system was applied to14 crop fields over 5-12 years. To assess the digestate effects on SOC stocksand soil plant-available nutrients, we analyzed the digestate chemicalcomposition, digestate rates, and soil test results of 421 samples taken at0-15 cm soil depth. Most sampled points (86%) increasedSOC stock, with greater gains observed in soilswith lower initial SOC levels. The average SOC accrual rate was 0.8 Mg ha-1y-1 (confidence interval: 0.7-0.9 Mg ha-1 yr-1),and isotope analysis (13C and 15N)indicated that new soil organic matter is primarily derived from digestate. Assumingsimplified SOC dynamics, the SOC formation efficiencyfrom digestate was estimated at 18% (higher than the estimate for raw manure).Anaerobic digestate also increased soil test phosphorus (STP) and potassium,with STP values doubling over eight years, exceeding crop requirements.Integrating anaerobic digestion on farms can help reverse soil degradation andenhance agricultural sustainability, although STP should be monitored toprevent potential adverse environmental impacts.Fil: Villarino, Sebastián Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias. Laboratorio de Agroecología; ArgentinaFil: McDaniel, M.D.. University of Iowa; Estados UnidosFil: Blauwet, M.J.. University of Iowa; Estados UnidosFil: Sievers, B.. No especifíca;Fil: Sievers, L.. No especifíca;Fil: Schulte, L. A.. University of Iowa; Estados UnidosFil: Miguez, F. E.. University of Iowa; Estados UnidosElsevier2025-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/274403Villarino, Sebastián Horacio; McDaniel, M.D.; Blauwet, M.J.; Sievers, B.; Sievers, L.; et al.; Adding anaerobic digestate to commercial farm fields increases soil organic carbon; Elsevier; Journal of Agriculture and Food Research; 21; 6-2025; 1-92666-1543CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S2666154325003138info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jafr.2025.101942info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-11-05T09:35:10Zoai:ri.conicet.gov.ar:11336/274403instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-11-05 09:35:10.302CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Adding anaerobic digestate to commercial farm fields increases soil organic carbon
title Adding anaerobic digestate to commercial farm fields increases soil organic carbon
spellingShingle Adding anaerobic digestate to commercial farm fields increases soil organic carbon
Villarino, Sebastián Horacio
Anaerobic digestion
Corn Belt
Cattle
Biogas
title_short Adding anaerobic digestate to commercial farm fields increases soil organic carbon
title_full Adding anaerobic digestate to commercial farm fields increases soil organic carbon
title_fullStr Adding anaerobic digestate to commercial farm fields increases soil organic carbon
title_full_unstemmed Adding anaerobic digestate to commercial farm fields increases soil organic carbon
title_sort Adding anaerobic digestate to commercial farm fields increases soil organic carbon
dc.creator.none.fl_str_mv Villarino, Sebastián Horacio
McDaniel, M.D.
Blauwet, M.J.
Sievers, B.
Sievers, L.
Schulte, L. A.
Miguez, F. E.
author Villarino, Sebastián Horacio
author_facet Villarino, Sebastián Horacio
McDaniel, M.D.
Blauwet, M.J.
Sievers, B.
Sievers, L.
Schulte, L. A.
Miguez, F. E.
author_role author
author2 McDaniel, M.D.
Blauwet, M.J.
Sievers, B.
Sievers, L.
Schulte, L. A.
Miguez, F. E.
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv Anaerobic digestion
Corn Belt
Cattle
Biogas
topic Anaerobic digestion
Corn Belt
Cattle
Biogas
purl_subject.fl_str_mv https://purl.org/becyt/ford/4.1
https://purl.org/becyt/ford/4
dc.description.none.fl_txt_mv Integrating anaerobic digestion technology canhelp farms meet agronomic, environmental, and economic goals. The slurryby-product from anaerobic digestion – anaerobic digestate – can be applied to croplands as an organicamendment and fertilizer. However, digestate effects on soil organic carbon(SOC) and soil fertility are poorly understood, especially at the field scale.In this study, we analyzed data from a multi-fieldcommercial farm in Iowa, USA, which integrates agricultural production withanaerobic digestion. The digestate produced in this system was applied to14 crop fields over 5-12 years. To assess the digestate effects on SOC stocksand soil plant-available nutrients, we analyzed the digestate chemicalcomposition, digestate rates, and soil test results of 421 samples taken at0-15 cm soil depth. Most sampled points (86%) increasedSOC stock, with greater gains observed in soilswith lower initial SOC levels. The average SOC accrual rate was 0.8 Mg ha-1y-1 (confidence interval: 0.7-0.9 Mg ha-1 yr-1),and isotope analysis (13C and 15N)indicated that new soil organic matter is primarily derived from digestate. Assumingsimplified SOC dynamics, the SOC formation efficiencyfrom digestate was estimated at 18% (higher than the estimate for raw manure).Anaerobic digestate also increased soil test phosphorus (STP) and potassium,with STP values doubling over eight years, exceeding crop requirements.Integrating anaerobic digestion on farms can help reverse soil degradation andenhance agricultural sustainability, although STP should be monitored toprevent potential adverse environmental impacts.
Fil: Villarino, Sebastián Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias. Laboratorio de Agroecología; Argentina
Fil: McDaniel, M.D.. University of Iowa; Estados Unidos
Fil: Blauwet, M.J.. University of Iowa; Estados Unidos
Fil: Sievers, B.. No especifíca;
Fil: Sievers, L.. No especifíca;
Fil: Schulte, L. A.. University of Iowa; Estados Unidos
Fil: Miguez, F. E.. University of Iowa; Estados Unidos
description Integrating anaerobic digestion technology canhelp farms meet agronomic, environmental, and economic goals. The slurryby-product from anaerobic digestion – anaerobic digestate – can be applied to croplands as an organicamendment and fertilizer. However, digestate effects on soil organic carbon(SOC) and soil fertility are poorly understood, especially at the field scale.In this study, we analyzed data from a multi-fieldcommercial farm in Iowa, USA, which integrates agricultural production withanaerobic digestion. The digestate produced in this system was applied to14 crop fields over 5-12 years. To assess the digestate effects on SOC stocksand soil plant-available nutrients, we analyzed the digestate chemicalcomposition, digestate rates, and soil test results of 421 samples taken at0-15 cm soil depth. Most sampled points (86%) increasedSOC stock, with greater gains observed in soilswith lower initial SOC levels. The average SOC accrual rate was 0.8 Mg ha-1y-1 (confidence interval: 0.7-0.9 Mg ha-1 yr-1),and isotope analysis (13C and 15N)indicated that new soil organic matter is primarily derived from digestate. Assumingsimplified SOC dynamics, the SOC formation efficiencyfrom digestate was estimated at 18% (higher than the estimate for raw manure).Anaerobic digestate also increased soil test phosphorus (STP) and potassium,with STP values doubling over eight years, exceeding crop requirements.Integrating anaerobic digestion on farms can help reverse soil degradation andenhance agricultural sustainability, although STP should be monitored toprevent potential adverse environmental impacts.
publishDate 2025
dc.date.none.fl_str_mv 2025-06
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/274403
Villarino, Sebastián Horacio; McDaniel, M.D.; Blauwet, M.J.; Sievers, B.; Sievers, L.; et al.; Adding anaerobic digestate to commercial farm fields increases soil organic carbon; Elsevier; Journal of Agriculture and Food Research; 21; 6-2025; 1-9
2666-1543
CONICET Digital
CONICET
url http://hdl.handle.net/11336/274403
identifier_str_mv Villarino, Sebastián Horacio; McDaniel, M.D.; Blauwet, M.J.; Sievers, B.; Sievers, L.; et al.; Adding anaerobic digestate to commercial farm fields increases soil organic carbon; Elsevier; Journal of Agriculture and Food Research; 21; 6-2025; 1-9
2666-1543
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S2666154325003138
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jafr.2025.101942
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.087074

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